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An illustrative example of Ultrasound Imaging Velocimetry. (Left) a linear transducer placed at the wall of a pipe containing an opaque flow (here a strongly non-Newtonian drilling fluid). Reproduced from Poelma and Gurung (2016). (Right) the resulting vector field at the centerplane, superimpo...
IVUS technology uses US with a center frequency of 20–45 MHz, but the resulting imaging spatial resolution makes it difficult to present the thin cap or microvessels, which is crucial to confront cardiovascular disease. Hence, a multimodality imaging method combing US with optical coherence ...
Remote echography between a ground control center and the International Space Station using a tele-operated echograph with motorized probe. Ultrasound Med Biol. 2018;44:2406–12. https://doi.org/10.1016/j.ultrasmedbio.2018.06.012Describes the first teleoperated ultrasound exams conducted on a space...
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Germinal matrix-intraventricular haemorrhage (GMH-IVH), periventricular haemorrhagic infarction (PHI) and its complication, post-haemorrhagic ventricular dilatation (PHVD), are still common neonatal morbidities in preterm infants that are highly associat
center from 2002 through 2011. Data was collected retrospectively and recorded in a trauma registry. We plotted the rate of FAST and abdominal CT utilization over time. Head CT was used as a surrogate for overall CT utilization rates during the study period.Results. Use of FAST increased by ...
studied acoustic collapse pressures and behaviors of Halo BGVs exposed to ultrasound with center frequencies from 12.5 to 27.5 MHz [125]. Stress tests in phantoms displayed that acoustic collapse pressures at all transmission fre- quencies were nine times higher than the hydrostatic collapse pressure...
At the time of this writing, there were 16 publications related to transverse abdominis plane block. No reviews are available. Only 3 RCTs were found. A trial by Theodoraki et al. [96] evaluating the short- and long-term postoperative analgesic efficacy of TAP block in inguinal hernia repai...
As observed, the amplitude presents a −6 dB decrease at the center. The phase varies only +/−0.5 rad. The same behavior is observed in all the elements – Fig. 11. This vibration defect comes from the technique used to connect the elements to the electronics- Fig. 2b. The −6...